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    ArchLinux: 202101-3: poppler: arbitrary code execution

    Date 04 Jan 2021
    417
    Posted By LinuxSecurity Advisories
    The package poppler before version 21.01.0-1 is vulnerable to arbitrary code execution.
    Arch Linux Security Advisory ASA-202101-3
    =========================================
    
    Severity: High
    Date    : 2021-01-04
    CVE-ID  : CVE-2020-35702
    Package : poppler
    Type    : arbitrary code execution
    Remote  : No
    Link    : https://security.archlinux.org/AVG-1382
    
    Summary
    =======
    
    The package poppler before version 21.01.0-1 is vulnerable to arbitrary
    code execution.
    
    Resolution
    ==========
    
    Upgrade to 21.01.0-1.
    
    # pacman -Syu "poppler>=21.01.0-1"
    
    The problem has been fixed upstream in version 21.01.0.
    
    Workaround
    ==========
    
    None.
    
    Description
    ===========
    
    DCTStream::getChars in DCTStream.cc in Poppler 20.12.1 has a heap-based
    buffer overflow via a crafted PDF document.
    
    Impact
    ======
    
    An attacker might be able to execute arbitrary code via a crafted PDF
    document.
    
    References
    ==========
    
    https://gitlab.freedesktop.org/poppler/poppler/-/issues/1011
    https://gitlab.freedesktop.org/poppler/poppler/uploads/8455cee26a313a3a0174a01e4ec80e33/poc
    https://gitlab.freedesktop.org/poppler/poppler/-/commit/ae614bf8ab42c9d0c7ac57ecdfdcbcfc4ff6c639
    https://security.archlinux.org/CVE-2020-35702
    
    

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